We have the Format > Sections... (.uno:EditRegion) command that isnt contextual and cant be included in the context menu or Edit menu, so we need the same functionality of this command but one that is contextual (meaning disabled when not in a section).
Ok -> NEW
Gulsah Kose committed a patch related to this issue.
It has been pushed to "master":
tdf#102132 Add contextual edit region uno command.
It will be available in 5.4.0.
The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
Affected users are encouraged to test the fix and report feedback.